Summary

"You have a sick mind Ford" said Stanley glaring at his brother with judgement

"It's for "research" Stan!" lied Stanford.

An AU where years ago many ghouls left Japan for safety and many ended up on the USA soils and CCG don't exist... a handful of ghouls are in Gravity Falls and it's mating season for the ghouls... Stanford often watches them for "research" and often gives them their "food" before and after the mating process before he was sucked into a portal... when he come back he goes back to his old habit until he was found out about his weird habit...

Meanwhile Dipper, Mabel, Soos and Wendy investigating the mysterious yearly "tourists" in Gravity Falls and Preston Northwest was planning to create a resort on the breeding grounds... They unknowingly made the ghouls furious ...especially since they are in heat...